CN116081796A - Solution to problem of dirt deposition in industrial water supply pipeline - Google Patents
Solution to problem of dirt deposition in industrial water supply pipeline Download PDFInfo
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- CN116081796A CN116081796A CN202211096783.9A CN202211096783A CN116081796A CN 116081796 A CN116081796 A CN 116081796A CN 202211096783 A CN202211096783 A CN 202211096783A CN 116081796 A CN116081796 A CN 116081796A
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- 239000008235 industrial water Substances 0.000 title claims abstract description 63
- 230000008021 deposition Effects 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000002101 nanobubble Substances 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 abstract description 12
- 229910021645 metal ion Inorganic materials 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 5
- 230000005764 inhibitory process Effects 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 230000002401 inhibitory effect Effects 0.000 description 5
- 230000001590 oxidative effect Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000002455 scale inhibitor Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
A solution to the problem of dirt deposition in an industrial water supply pipeline relates to the technical field of dirt deposition in the industrial water supply pipeline. The invention aims to solve the problems of secondary pollution, unstable treatment effect and high treatment cost caused by adding chemicals in the traditional scale reduction and inhibition method for industrial water supply pipelines. The method comprises the following steps: injecting dissolved air water rich in ozone micro-nano bubbles into a starting end pipeline of an industrial water supply network through a bypass pipeline, fully mixing the dissolved air water rich in ozone micro-nano bubbles with water in the pipeline of the industrial water supply network, reacting ozone with organic matters in the water to obtain small molecular organic acid, further reacting the small molecular organic acid with metal ions in the water to generate a complex which is easy to dissolve in the water, and attaching the residual ozone micro-nano bubbles on the pipe wall of the pipeline of the industrial water supply network to solve the problem of dirt deposition in the industrial water supply pipeline. The invention makes it possible to obtain a solution to the problem of deposition of dirt in industrial water supply pipelines.
Description
Technical Field
The invention relates to the technical field of dirt deposition in industrial water supply pipelines, in particular to a technical method for preventing dirt deposition by using the disturbance flow state action of ozone micro-nano bubbles and the complexation of micromolecular organic acid generated by ozone oxidation organic matters with metal ions.
Background
The formation and deposition of scale are complex physicochemical reactions, and calcium, magnesium, iron and other metal ions in raw water react to generate insoluble substances to be separated out and deposited due to the external environmental changes such as temperature, PH and the like in the conveying process, and the insoluble substances are deposited at the bottom of a pipeline to gradually harden to form scale. The scale not only can reduce the diameter of a pipeline and increase the water delivery resistance, but also can provide inhabitation and propagation places for microorganisms on the rough surface, thereby influencing the water quality of water supply. The frequent cleaning and maintenance of the water supply network for enterprises not only affects normal production, but also is an additional expense.
If accumulation of sediment and formation of scale can be prevented at the source, the time and cost for pipeline replacement and overhaul can be greatly saved, the method is cost optimization for enterprises, and meanwhile, the method accords with the development concept of green and environment protection.
At present, the prevention of scale is often carried out by the following means: (1) pretreatment with chemical agents. The formed metal salt precipitate is always kept in a loose state by adding the medicine into raw water, so that the precipitation speed can be reduced, and meanwhile, scale formation caused by accumulation and hardening can be avoided. (2) The scale inhibitor is usually a mixture of several medicines. The water-saving scale inhibitor can reduce the generation amount of sediment by uniformly mixing the water-saving scale inhibitor with water supply. (3) Physical scale inhibition. The pulsed water supply is used to disturb the water flow state, thereby achieving the purpose of preventing sediment deposition. The other method is to add a vibrating device at the turning or thinner pipe diameter of the pipeline to inhibit the formation and hardening of scale. These methods can prevent scale formation to some extent, but there are also many problems such as the possibility that the addition of chemicals may affect the subsequent use, the fluctuation in the treatment effect, the complexity of use and maintenance management, and the like.
In view of the problems, the method for reducing and inhibiting the scale of the industrial water supply pipeline, which is efficiently cleaned, has high use value and practical significance.
Disclosure of Invention
The invention aims to solve the problems of secondary pollution, unstable treatment effect and high treatment cost caused by adding chemicals in the traditional scale reduction and inhibition method for the industrial water supply pipeline, and provides a method for solving the problem of scale deposition in the industrial water supply pipeline.
A solution to the problem of scale deposition in industrial water supply pipelines, comprising the steps of:
step one: a water inlet is additionally arranged on a pipeline at the starting end of the industrial water supply pipeline network, a water outlet of the ozone micro-nano bubble generating device is communicated with a water inlet of a bypass pipeline, and a water outlet of the bypass pipeline is communicated with a water inlet of the pipeline at the starting end of the industrial water supply pipeline network;
step two: the ozone micro-nano bubble generating device generates dissolved air water rich in ozone micro-nano bubbles under the conditions of oxygen inflow rate of 100-300 mL/min and pressure of 0.4-0.6 MPa, the dissolved air water rich in ozone micro-nano bubbles is injected into a starting end pipeline of an industrial water supply pipeline through a bypass pipeline, after the dissolved air water rich in ozone micro-nano bubbles is fully mixed with water in the pipeline of the industrial water supply pipeline, ozone reacts with organic matters in the water to obtain micromolecular organic acid, the micromolecular organic acid further reacts with metal ions in the water to generate water-soluble complex, and the residual ozone micro-nano bubbles are attached to the pipe wall of the pipeline of the industrial water supply pipeline to solve the problem of dirt deposition in the industrial water supply pipeline.
The principle of the invention is as follows:
1) Oxidizing property of ozone gas:
ozone is an environment-friendly gas with extremely strong oxidizing property, ozone can be dispersed in water in the form of micro-nano bubbles through a high-pressure gas dissolving device, organic matters in the water can be oxidized into small molecular acid by utilizing the oxidizing property of the ozone, and metal ions in the water can be fixed in a solution through adsorption and complexation by the small molecular acid (the reaction process can be shown as the following formulas (1) and (2)), so that the purpose of reducing the generation of sediment is achieved; meanwhile, ozone micro-nano bubbles can be attached to the pipe wall, so that contact between sediment and the pipe wall is further prevented, the dirt deposition amount in an industrial water supply pipeline is effectively reduced, and the aim of reducing or even eliminating the need of adding a dirt inhibitor is fulfilled. In addition, the surface of the ozone micro-nano bubbles are mutually repelled with negative charges, so that the ozone micro-nano bubbles can keep high stability in water and can exist for a plurality of months.
Fe 3+ +C 2 O 4 2- →FeC 2 O 4 + (2)
2) Disturbance of micro-nano bubble water:
the original pipeline flow state can be changed by introducing ozone micro-nano bubble water into the pipeline, and the ozone micro-nano bubble has a certain disturbance effect on the pipeline water flow, so that the possibility of scale accumulation and generation is further reduced.
The invention has the beneficial effects that:
(1) The invention adopts a high-pressure gas dissolving method to prepare the ozone micro-nano bubbles, and the ozone micro-nano bubbles react with organic matters existing in raw water to generate small molecular organic acid, so that the quality of the raw water is effectively improved; the generated small molecular acid can be complexed with metal ions in water, so that the solubility of the small molecular acid in water is greatly improved, and the generation of sediment is reduced; meanwhile, ozone micro-nano bubbles are easy to adhere to the surface of the pipe wall, so that the generation of scale is prevented; the ozone gas is green and pollution-free, and can avoid secondary pollution to water supply to the greatest extent.
(2) The invention provides a method for reducing and inhibiting scale of an industrial water supply pipeline with high efficiency and cleanliness, which adopts ozone micro-nano bubbles to perform scale reduction treatment, not only considers the oxidation performance of ozone and the disturbance of bubbles to water flow, but also adopts ozone micro-nano bubbles with negative charges on the surfaces, can remain in water for a long time, is beneficial to maintaining the residual amount of ozone in the pipeline and plays a long-acting role; the green clean ozone gas is used for achieving the purposes of reducing the dosage while preventing the generation of scale and avoiding the influence on the subsequent process; the influence on subsequent water is small, the environment residue is low, and the safety is high.
(3) According to the invention, the ozone gas is diffused into micro-nano bubbles, so that the method for reducing and inhibiting the scale of the industrial water supply pipeline, which has the advantages of excellent effect, long duration and avoidance of secondary pollution, is developed, the process development is mature, the method is simple to operate, the maintenance cost is low, the effect is excellent, and the operation requirement can be fully met.
The invention makes it possible to obtain a solution to the problem of deposition of dirt in industrial water supply pipelines.
Drawings
Fig. 1 is a schematic flow chart of a solution to the problem of scale deposition in industrial water supply pipelines according to the present invention.
FIG. 2 shows the principle of ozone micro-nano bubbles in the invention for reducing and inhibiting scale of pipelines.
Detailed Description
The first embodiment is as follows: the method for solving the problem of dirt deposition in the industrial water supply pipeline according to the embodiment comprises the following steps:
step one: a water inlet is additionally arranged on a pipeline at the starting end of the industrial water supply pipeline network, a water outlet of the ozone micro-nano bubble generating device is communicated with a water inlet of a bypass pipeline, and a water outlet of the bypass pipeline is communicated with a water inlet of the pipeline at the starting end of the industrial water supply pipeline network;
step two: the ozone micro-nano bubble generating device generates dissolved air water rich in ozone micro-nano bubbles under the conditions of oxygen inflow rate of 100-300 mL/min and pressure of 0.4-0.6 MPa, the dissolved air water rich in ozone micro-nano bubbles is injected into a starting end pipeline of an industrial water supply pipeline through a bypass pipeline, after the dissolved air water rich in ozone micro-nano bubbles is fully mixed with water in the pipeline of the industrial water supply pipeline, ozone reacts with organic matters in the water to obtain micromolecular organic acid, the micromolecular organic acid further reacts with metal ions in the water to generate water-soluble complex, and the residual ozone micro-nano bubbles are attached to the pipe wall of the pipeline of the industrial water supply pipeline to solve the problem of dirt deposition in the industrial water supply pipeline.
The second embodiment is as follows: the present embodiment differs from the specific embodiment in that: the inner diameter of the bypass pipeline in the first step is 5-30 mm.
The other steps are the same as in the first embodiment.
And a third specific embodiment: the present embodiment differs from the first or second embodiment in that: in the second step, the oxygen inlet flow of the ozone micro-nano bubble generating device is 300mL/min, and the pressure is 0.6MPa.
Other steps are the same as those of the first or second embodiment.
The specific embodiment IV is as follows: one difference between this embodiment and the first to third embodiments is that: in the second step, the diameter of the ozone micro-nano bubbles is 100 nm-500 nm.
Other steps are the same as those of the first to third embodiments.
Fifth embodiment: one to four differences between the present embodiment and the specific embodiment are: the average diameter of the ozone micro-nano bubbles is 293nm.
Other steps are the same as those of the first to fourth embodiments.
Specific embodiment six: the present embodiment differs from the first to fifth embodiments in that: and in the second step, the surface of the ozone micro-nano bubble is negatively charged.
Other steps are the same as those of the first to fifth embodiments.
Seventh embodiment: one difference between the present embodiment and the first to sixth embodiments is that: in the second step, the flow ratio of the water in the pipeline of the industrial water supply network to the dissolved air water rich in ozone micro-nano bubbles is (50-200): 1.
other steps are the same as those of embodiments one to six.
Eighth embodiment: one difference between the present embodiment and the first to seventh embodiments is that: in the second step, the flow ratio of water in the pipeline of the industrial water supply network to dissolved air water rich in ozone micro-nano bubbles is 50:1.
other steps are the same as those of embodiments one to seven.
Detailed description nine: one of the differences between this embodiment and the first to eighth embodiments is: and step two, injecting the dissolved air water which is generated by the ozone micro-nano bubble generating device and is rich in ozone micro-nano bubbles in the direction opposite to the water flow direction in the pipeline of the industrial water supply network.
The ozone micro-nano bubble water is collected in a mode of reversing the direction of the raw water flow, so that the mixing and the disturbance of the flow state are facilitated.
Other steps are the same as those of embodiments one to eight.
Detailed description ten: the present embodiment differs from the first to ninth embodiments in that: the ozone micro-nano bubble generating device in the second step is an MF-5000 type micro-nano bubble generator.
Other steps are the same as those of embodiments one to nine.
The following examples are used to verify the benefits of the present invention:
example 1: a solution to the problem of scale deposition in industrial water supply pipelines, comprising the steps of:
step one: the water inlet is additionally arranged on the starting end pipeline of the industrial water supply pipeline network, the water outlet of the ozone micro-nano bubble generating device is communicated with the water inlet of the bypass pipeline, the water outlet of the bypass pipeline is communicated with the water inlet of the starting end pipeline of the industrial water supply pipeline network, and the inner diameter of the bypass pipeline is 19mm.
Step two: the ozone micro-nano bubble generating device generates dissolved air water rich in ozone micro-nano bubbles under the conditions of 300mL/min of oxygen inflow rate and 0.6MPa of pressure, the dissolved air water rich in the ozone micro-nano bubbles is injected into a pipeline at the starting end of an industrial water supply pipe network through a bypass pipeline, after the dissolved air water rich in the ozone micro-nano bubbles is fully mixed with water in the pipeline of the industrial water supply pipe network, ozone reacts with organic matters in the water to obtain small molecular organic acid, the small molecular organic acid further reacts with metal ions in the water to generate a complex which is easy to dissolve in the water, and the residual ozone micro-nano bubbles are attached to the pipe wall of the pipeline of the industrial water supply pipe network, so that the problem of dirt deposition in the industrial water supply pipe network is solved.
The ozone micro-nano bubble generating device MF-5000 type micro-nano bubble generator is purchased from Shanghai Heng technology Co.
The average diameter of the ozone micro-nano bubbles is 293nm.
The flow ratio of water in the pipeline of the industrial water supply network to dissolved air water rich in ozone micro-nano bubbles is 50:1.
injecting the dissolved air water rich in ozone micro-nano bubbles generated by the ozone micro-nano bubble generating device in the direction opposite to the water flow direction in the pipeline of the industrial water supply network.
In the embodiment, a bypass pipe is additionally arranged at the initial end of an industrial water supply network, ozone micro-nano bubbles are generated by using a high-pressure gas dissolving device and are introduced into a water supply pipe, and scale generation is reduced by using the oxidizing property of ozone and the disturbance effect of the bubbles on water flow.
(1) Ozone oxidation;
various residual organic matters exist in an industrial water supply pipeline, and in the example, ozone micro-nano bubble water is introduced into the pipeline, so that the organic matters in the water can be decomposed to generate small molecular acid by virtue of the high oxidation-reduction potential of the ozone. The small molecular organic acid is complexed with metal ions which are easy to generate sediment so as to promote the small molecular organic acid to be dissolved in water, thus greatly reducing the sediment quantity and inhibiting the formation of scale.
(2) Disturbance of micro-nano bubbles;
in the embodiment, ozone micro-nano bubble water is introduced into a pipeline to generate a disturbance effect on water flow, so that sediment is not easy to deposit under the shearing force of the water flow and is discharged along with the water flow. Meanwhile, the micro-nano bubbles have extremely large specific surface area, so that the micro-nano bubbles are easy to attach to the surface of the pipe wall, and further the sediment is prevented from accumulating at the bottom of the pipe.
Claims (10)
1. A solution to the problem of fouling deposition in industrial water supply pipelines, characterized in that it is carried out according to the following steps:
step one: a water inlet is additionally arranged on a pipeline at the starting end of the industrial water supply pipeline network, a water outlet of the ozone micro-nano bubble generating device is communicated with a water inlet of a bypass pipeline, and a water outlet of the bypass pipeline is communicated with a water inlet of the pipeline at the starting end of the industrial water supply pipeline network;
step two: the ozone micro-nano bubble generating device generates dissolved air water rich in ozone micro-nano bubbles under the conditions of oxygen inflow rate of 100-300 mL/min and pressure of 0.4-0.6 MPa, and the dissolved air water rich in ozone micro-nano bubbles is injected into a starting end pipeline of an industrial water supply pipeline through a bypass pipeline, so that the problem of dirt deposition in the industrial water supply pipeline is solved.
2. A solution to the problem of scale deposition in industrial water supply pipelines according to claim 1, characterized in that the bypass line in step one has an internal diameter of 5-30 mm.
3. The method for solving the problem of scale deposition in an industrial water supply pipeline according to claim 1, wherein the oxygen inlet flow rate of the ozone micro-nano bubble generating device in the second step is 300mL/min, and the pressure is 0.6MPa.
4. The method for solving the problem of scale deposition in industrial water supply pipelines according to claim 1, wherein the diameter of the ozone micro-nano bubbles in the second step is 100nm to 500nm.
5. A solution to the problem of fouling deposition in industrial water supply lines according to claim 1 or 4, characterized in that the ozone micro-nano bubbles have an average diameter of 293nm.
6. A solution to the problem of fouling deposition in industrial water supply lines according to claim 1 or 4, characterized in that the surface of the ozone micro-nano bubbles in step two is negatively charged.
7. The method for solving the problem of scale deposition in industrial water supply pipelines according to claim 1, wherein the flow ratio of water in the pipeline of the industrial water supply pipeline in the second step to dissolved air water rich in ozone micro-nano bubbles is (50-200): 1.
8. the method for solving the problem of scale deposition in an industrial water supply pipeline according to claim 7, wherein the flow ratio of water in the pipeline of the industrial water supply pipeline to dissolved air water rich in ozone micro-nano bubbles in the step two is 50:1.
9. the method for solving the problem of scale deposition in an industrial water supply pipeline according to claim 1, wherein in the second step, the dissolved air water rich in ozone micro-nano bubbles generated by the ozone micro-nano bubble generating device is injected in the direction opposite to the flow direction of the water flow in the pipeline of the industrial water supply pipeline.
10. The method according to claim 1, wherein the ozone micro-nano bubble generating device in the second step is an MF-5000 type micro-nano bubble generator.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU94022861A (en) * | 1994-06-16 | 1996-04-27 | Е.П. Сидоров | Plant for high-efficiency cleaning of sewage containing oil |
| CN2651239Y (en) * | 2003-11-08 | 2004-10-27 | 孙荣军 | Strong oxidizing and circulating water treater |
| EP2032507A1 (en) * | 2006-05-18 | 2009-03-11 | Ozomax Inc. | Miniature ozone generator and use thereof for purifying water |
| CN103736409A (en) * | 2013-12-30 | 2014-04-23 | 清华大学 | Production method of ozone micro air bubbles |
| CN205635179U (en) * | 2016-05-18 | 2016-10-12 | 霍鹏 | Ozone deep oxidation all -in -one with micro -nano bubble carrier |
| CN110981039A (en) * | 2019-11-14 | 2020-04-10 | 广西博世科环保科技股份有限公司 | Method for treating organic wastewater by using aluminum carbon-ozone micro-nano bubbles |
-
2022
- 2022-09-06 CN CN202211096783.9A patent/CN116081796A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU94022861A (en) * | 1994-06-16 | 1996-04-27 | Е.П. Сидоров | Plant for high-efficiency cleaning of sewage containing oil |
| CN2651239Y (en) * | 2003-11-08 | 2004-10-27 | 孙荣军 | Strong oxidizing and circulating water treater |
| EP2032507A1 (en) * | 2006-05-18 | 2009-03-11 | Ozomax Inc. | Miniature ozone generator and use thereof for purifying water |
| CN103736409A (en) * | 2013-12-30 | 2014-04-23 | 清华大学 | Production method of ozone micro air bubbles |
| CN205635179U (en) * | 2016-05-18 | 2016-10-12 | 霍鹏 | Ozone deep oxidation all -in -one with micro -nano bubble carrier |
| CN110981039A (en) * | 2019-11-14 | 2020-04-10 | 广西博世科环保科技股份有限公司 | Method for treating organic wastewater by using aluminum carbon-ozone micro-nano bubbles |
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